A law firm wants to increase its client strength. Therefore, it has promised to offer free service to senior citizens. This has helped the organization gain new clients, as friends and relatives of the senior citizens having started using this law firm's services. Good legal counseling has helped it to retain its clients. This is an example of $\_\_\_\_\_$ measures used to assess organizational performance.

Group of answer choices

internal business process

public responsibility

financial

customer

learning and growth